Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Significant Accounting Policies [Line Items]
Minimum percentage of investment company taxable income distribute to stockholders in each taxable year to qualify as RIC	90.00%
Nondeductible U.S. federal excise tax percentage	4.00%
Net expense for U.S. federal excise tax and other taxes	$ 5.3	$ 3.9	$ 2.4
Deferred tax expense (benefit)	(0.5)	2.6	(0.6)
Deferred tax liability pertaining to net unrealized gains related to investments	4.6	$ 5.2	$ 2.8
Tax expense pertaining to net realized gains related to investments	$ 0.9
ASU 2023-09
Significant Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, early adoption [true false]	true
Change in accounting principle, accounting standards update, adoption date	Dec. 31, 2025
Change in accounting principle, accounting standards update, immaterial effect [true false]	true